Number of electrons in the inactive shell = 2
Valence number
Positive charge
neutral
Negative charge
1
Na(−)
2
Be
BeH(−)
[10]
[10]
3
B(+)
BH
BF2(−)
[10]
[10]
4
SiF(+)
CH2
CF3(−)
[10]
[12]
[10]
5
PH2(+)
PCl3
PH4(−)
[11]
[10]
[10]
6
H3O(+)
SeF4
SF5(−)
[10] -[12]
[10] -[12]
[10]
7
ClF4(+)
IF5
IF6(−)
[10]
[10]
[13]
8
XeF5(+)
XeF6
XeF7(−)
[12]
[10] [12]
[12]
Number of electrons in the inactive shell = 4
Valence number
Positive charge
neutral
Negative charge
3
B(−)
4
C
SiH(−)
[10]
[10]
5
N(+)
N2
PH2(−)
[8]
[11]
6
NO(+)
H2O
SeH3(−)
[12]
[10] -[12]
[11]
7
ClF2(+)
ClF3
ClF4(−)
[10]
[10]
[10]
8
XeF3(+)
XeF4
XeF5(−)
[13]
[10] [12]
[12]
Number of electrons in the inactive shell = 6
Valence number
Positive charge
neutral
Negative charge
5
P(−)
6
O
OH(−)
[10] -[12]
[10] -[12]
7
Cl(+)
HCl
ClF2(−)
[10] -[12]
[10]
8
XeF(+)
XeF2
XeF3(−)
[12]
[10] -[12]